-
公开(公告)号:US20050061833A1
公开(公告)日:2005-03-24
申请号:US10923210
申请日:2004-08-20
申请人: Eric Boettner , Frank Hoffman
发明人: Eric Boettner , Frank Hoffman
CPC分类号: B05B11/3035 , B05B15/30
摘要: A manual pump is provided having a corrugated section defining a spring walled short chamber and enabling the pump to be manufactured with only three integrally formed pieces utilizing blow or vacuum molding processes, and optionally one or two check valve balls.
摘要翻译: 提供了一种手动泵,其具有限定弹簧壁短室的波纹部分,并且使得能够利用吹塑或真空模制工艺仅使用三个一体成形的部件,以及可选地一个或两个止回阀球来制造泵。